def __neg__(self): return Query.Arg(self, Query.OR_DESC)
def __pos__(self): return Query.Arg(self, Query.OR_ASC)
def __le__(self, value): return Query.Arg(self, Query.OP_LE, value)
def __ge__(self, value): return Query.Arg(self, Query.OP_GE, value)
def __lt__(self, value): return Query.Arg(self, Query.OP_LT, value)
def __gt__(self, value): return Query.Arg(self, Query.OP_GT, value)
def __eq__(self, value): return Query.Arg(self, Query.OP_EQ, value)